EP0641795B9 - Carbapenem derivative - Google Patents

Carbapenem derivative Download PDF

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Publication number
EP0641795B9
EP0641795B9 EP92913257A EP92913257A EP0641795B9 EP 0641795 B9 EP0641795 B9 EP 0641795B9 EP 92913257 A EP92913257 A EP 92913257A EP 92913257 A EP92913257 A EP 92913257A EP 0641795 B9 EP0641795 B9 EP 0641795B9
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EP
European Patent Office
Prior art keywords
group
alkyl group
hydrogen atom
compound
lower alkyl
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Expired - Lifetime
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EP92913257A
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German (de)
English (en)
French (fr)
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EP0641795B1 (en
EP0641795A4 (en
EP0641795A1 (en
Inventor
Toshiyuki Daiichi Pharmaceutical Co. Ltd Nishi
Hiroko Daiichi Pharmaceutical Co. Ltd. Koda
Kazuyuki Daiichi Pharmaceutical Co. Ltd. Sugita
Yohhei Daiichi Pharmaceutical Co. Ltd. Ishida
Makoto Daiichi Pharmaceutical Co. Ltd. Takemura
Takeshi Daiichi Pharmaceutical Co. Ltd. Hayano
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Daiichi Pharmaceutical Co Ltd
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Daiichi Pharmaceutical Co Ltd
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Publication of EP0641795A4 publication Critical patent/EP0641795A4/en
Publication of EP0641795A1 publication Critical patent/EP0641795A1/en
Publication of EP0641795B1 publication Critical patent/EP0641795B1/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D477/00—Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
    • C07D477/10—Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
    • C07D477/12—Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 6
    • C07D477/16—Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 4, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached in position 6 with hetero atoms or carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 3
    • C07D477/20—Sulfur atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Definitions

  • This invention relates to novel antibiotics having a carbapenem skelton.
  • Thienamycin having a carbapenem skelton has been regarded as a promising new antibiotic since its discovery in 1976, because it is effective upon bacterial strains which are resistant against prior art antibiotics and it can exhibit excellent antibacterial activity.
  • thienamycin and various other carbapenem derivatives reported thereafter have to be used as a mixed preparation with a dehydropeptidase (DHP) inhibitor, because they are not only physico-chemically unstable but also apt to be decomposed by DHP and the like enzyme in the kidney, thereby causing side-effects such as renal toxicity.
  • DHP dehydropeptidase
  • JP-A-60-233076 discloses 1- ⁇ -methylcarbapenem compounds which are stable against ⁇ -lactamase producing strains, have physico-chemically stable nature and exhibit strong antibacterial activity. These compounds, however, are still unsatisfactory in terms of their stability against DHP and antibacterial activity.
  • the inventors of the present invention have conducted intensive studies with the aim of finding a carbapenem derivative having more excellent properties and, as the results, have accomplished the present invention by finding a compound which is effective upon various bacterial strains including Pseudomonas aeruginosa , excellent in terms of safety and stability against hydrolases such as DHP and the like.
  • the present invention relates to a carbapenem derivative represented by the following general formula (I), and a salt thereof; wherein
  • Preferred compounds are 1R,5S,6S,8R-6-(1-hydroxyethyl)-1-methylcarbapenem derivatives.
  • carbapenem as used herein means a compound having the following structural nucleus, and the present invention relates to carbapenem derivatives in which various types of substituent groups are attached to this nucleus.
  • lower alkyl group as used herein means an alkyl group having 1 to 6 carbon atoms (those having 1 to 6 carbon atoms will be expressed respectively as C1-C6 in the following, as well as other cases with different carbon numbers), such as methyl, ethyl, n-propyl, isopropyl, n-butyl and the like.
  • R 1 represents a lower alkyl group or a hydroxyl group-substituted product thereof, namely a hydroxyalkyl group, which may also have a protecting group.
  • 1-hydroxyethyl group is preferred, especially when 1-hydroxyethyl group is linked to the 6-positioned carbon atom of the carbapenem skelton in the form of S-configulation and its hydroxyl group is linked to the 1-position of the ethyl group (generally called the carbapenem 8-position) in the form of R-configulation.
  • R 2 represents a hydrogen atom or a lower alkyl group, preferably a straight- or branched-chain C1-C4 lower alkyl group such as methyl, ethyl or propyl, more preferably a methyl group.
  • such groups may preferably have R-configulation with regard to the 1-positioned carbon atom of the carbapenem skelton.
  • R 3 represents a carboxyl group which may be esterified.
  • the ester residue include straight-or branched-chain C1-C6 alkyl groups such as methyl, ethyl, isobutyl or tertiary butyl; C1-C6 alkoxy C1-C6 alkyl groups such as methoxymethyl or methoxyethyl; C2-C7 aliphatic acyloxymethyl groups such as pivaloyloxymethyl; phthalidyl group and the like.
  • ester residues useful as carboxyl group-protecting groups at the time of the synthesis reaction include a p-nitrobenzyl group, an allyl group, and the like.
  • Metabolizable ester residues may also be used, with their preferred examples including a pivaloyloxymethyl group, a phthalidyl group, an acetoxycarbonyloxymethyl group, and the like.
  • Carboxyl group may be in the form of carboxylate anion in relation to other substituent groups, salt, and the like.
  • R 4 represents a hydrogen atom, a straight- or branched-chain C1-C6 lower alkyl group such as methyl, ethyl or propyl, an amino group protecting group which is commonly used in ⁇ -lactam antibiotics, such as p-nitrobenzyloxycarbonyl, t-butoxycarbonyl or allyloxycarbonyl, and the like.
  • R 5 and R 6 which may be the same or different, each represents a hydrogen atom, a hydroxyl group, a lower alkyl group, a hydroxy lower alkyl group or a halogen atom.
  • R 5 and R 6 may together form a polyalkylene chain having 2 to 6 carbon atoms, and form a cyclic structure together with the carbon atom to which R 5 and R 6 are attached.
  • R 7 represents a hydrogen atom, a lower alkyl group, a carboxyl group, a carbamoyl group, a carboxyl group which may have a protecting group, or a substituted carbamoyl groups represented by the following partial structural formula.
  • each of R 71 and R 72 represents a hydrogen atom or a lower alkyl group. These may together form a polyalkylene chain having 2 to 6 carbon atoms, and form a cyclic structure together with the nitrogen atom to which R 71 and R 72 are attached.
  • R 8 represents a hydrogen atom, a lower alkyl group or a hydroxy lower alkyl group.
  • R 7 and R 8 may together form a polyalkylene chain having 2 to 6 carbon atoms, and form a cyclic structure together with the carbon atom to which R 7 and R 8 are attached.
  • Each of R 9 and R 10 represents an amino group-protecting group, a hydrogen atom or a lower alkyl group.
  • Preferred examples of the amino group-protecting group include those which are usually used in ⁇ -lactam antibiotics, for example, p-nitrobenzyloxycarbonyl, t-butoxycarbonyl, allyloxycarbonyl, and the like.
  • Z represents a single bond or an oxygen atom (-O-) or a sulfur atom (-S-), or a partial structure represented by-CR 11 R 12 -, -NR 13 CO-, -CONR 14 - or -NR 15 -.
  • R 11 and R 12 which may be the same or different, each represents a hydrogen atom, a hydroxyl group, a lower alkyl group, a hydroxy lower alkyl group such as hydroxymethyl or hydroxtethyl, or a halogen atom.
  • R 11 and R 12 may together form a polyalkylene chain having 2 to 6 carbon atoms, and form a cyclic structure together with the carbon atom to which R 11 and R 12 are attached.
  • Each of R 13 and R 14 represents a hydrogen atom or a lower alkyl group.
  • R 15 represents an amino group protecting group, a hydrogen atom or a lower alkyl group.
  • Preferred examples of the amino group protecting group include those which are commonly used in ⁇ -lactam antibiotics, for example, p-nitrobenzyloxycarbonyl, t-butoxycarbonyl, allyloxycarbonyl and the like.
  • Each of m and n is an integer of 0 to 6.
  • the compound of the present invention and some of the intermediates may have tautomeric structures. Though these structures are shown by a single structural formula in this specification, it should be understood not to be limited thereto.
  • the compound of the present invention may be used in the form of a pharmacologically acceptable salt.
  • a pharmacologically acceptable salt examples include carboxylic acid nontoxic salts such as sodium, potassium, aluminium, magnesium and the like metal salts; ammonium salt; triethylamine salt, procaine salt and benzylamine salt, as well as salts with other amines which are commonly used for the salt formation of penicillins and cephalosporins.
  • carboxylic acid nontoxic salts such as sodium, potassium, aluminium, magnesium and the like metal salts
  • ammonium salt such as sodium, potassium, aluminium, magnesium and the like metal salts
  • triethylamine salt such as sodium, potassium, aluminium, magnesium and the like metal salts
  • triethylamine salt such as sodium, potassium, aluminium, magnesium and the like metal salts
  • triethylamine salt such as sodium, potassium, aluminium, magnesium and the like metal salts
  • triethylamine salt such as sodium, potassium
  • the carbapenem derivative of the present invention may also be converted to a pharmacologically acceptable acid addition salt, for example, with an inorganic acid such as hydrochlroic acid, hydrobromic acid, phosphoric acid or sulfuric acid, or with an organic acid such as acetic acid, citric acid, succinic acid, ascorbic acid or methanesulfonic acid.
  • an inorganic acid such as hydrochlroic acid, hydrobromic acid, phosphoric acid or sulfuric acid
  • an organic acid such as acetic acid, citric acid, succinic acid, ascorbic acid or methanesulfonic acid.
  • hydrochloride and sulfate are particularly preferred.
  • the inventive compound may also be used in the form of various solvates such as a hydrate.
  • the compound of the present invention can exhibit excellent antibacterial property against not only Escherichia coli , Proteus, Klebsiella , Enterobacter, Salmonella, Serratia , Streptococcus , Staphylococcus and the like but also Pseudomonas aeruginosa , it can be applied efficiently to the treatment of various infectious diseases such as respiratory infection, secondary infection caused by injury lesion, burn injury or operative wound and purulent diseases.
  • the compound of the present invention can be formulated as pharmaceutical preparations in the usual way formulated with commonly used pharmaceutical additives such as a carrier, a stabilizer, a solubilizing agent and a filler. It may be administered by various routes such as oral administration in the dosage form of tablets, pills, capsules, granules or the like and parenteral administration in the dosage form of intravenous injections, intramuscular injections, suppositories and the like, of which intravenous injection is generally preferable.
  • pharmaceutical additives such as a carrier, a stabilizer, a solubilizing agent and a filler.
  • the dairy dose may be administered in an approximate dose of 100 mg to 3 g per adult once a day or dividing the dairy dose into several times.
  • the dose may be changed optionally depending on the age and sex of each patient and symptoms of the disease to be treated.
  • the compound of the present invention can be produced' in accordance with a process represented by the following reaction scheme.
  • An reactive intermediate (III) can be derived by a reaction of compound (II) (R 1 , R 2 and R 3 in the formula are the same groups described in the foregoing) with diphenylphosphoryl chloride according to a known method (D.H. Shih et al., Heterocycles, 21 , 29 (1984)) or a modified method thereof.
  • This reaction may be carried out preferably in the presence of an alkylamine such as triethylamine, diisopropylethylamine or the like, an alicyclic amine such as 1,8-diazabicyclo[5.4.0]-7-undecene (DBU), N-methylmorpholine or the like, an organic base such as quinuclidine, 3-quinuclidinol or the like, an inorganic base such as sodium hydroxide, potassium hydroxide, potassium carbonate, sodium carbonate or the like, a metal alkolate such as potassium-t-butoxide, sodium methoxide or the like or sodium amide; among these, diisopropylethylamine or DBU is particularly preferred.
  • an alkylamine such as triethylamine, diisopropylethylamine or the like
  • an alicyclic amine such as 1,8-diazabicyclo[5.4.0]-7-undecene (DBU), N-methylmorpholine
  • this reaction may be carried out in a solvent which does not exert bad influences upon the starting materials and the product, with illustrative examples of the solvent including ketones such as acetone, methylethylketone and the like, acetonitrile, dimethylformamide (DMF), dimethylacetamide, dimethyl sulfoxide (DMSO), tetrahydrofuran (THF), dichloromethane and chloroform, as well as optionally combined mixtures thereof.
  • the solvent including ketones such as acetone, methylethylketone and the like, acetonitrile, dimethylformamide (DMF), dimethylacetamide, dimethyl sulfoxide (DMSO), tetrahydrofuran (THF), dichloromethane and chloroform, as well as optionally combined mixtures thereof.
  • the reaction temperature may be in the range of from -50°C to room temperature, preferably from -40°C to 0°C.
  • the reaction may be carried out for a period of from 15 minutes to 1 day, preferably from 30 minutes to 8 hours.
  • the thiol compound (IV) can be produced by a method of Reference Examples described later.
  • the reaction with the thiol compound (IV) having a high reactivity proceeds well in the presence of a base, though the reaction also progresses without a base.
  • the bases illustrated in the foregoing in relation to the preceding reaction step may also be used in this reaction, of which diisopropylethylamine and DBU are particularly preferred.
  • Such a base may be used preferably in an amount equivalent to the thiol compound, but, when the thiol compound is in the form of an acid addition salt, a good result may be obtained by supplementing an additional amount of the base necessary for the neutralization of the addition acid.
  • This reaction may also be carried out in a solvent which does not exert bad influences upon the material compounds and the product, and the solvents described in the preceding reaction step may be used as a solvent.
  • the solvents described in the preceding reaction step may be used as a solvent.
  • the compound of formula (IV) may be used in an amount of from 1 to 3 equivalent, preferably from 1 to 2 equivalent, to the compound of formula (III).
  • the reaction temperature may be in the range of from -50°C to room temperature, preferably from -40°C to 0°C.
  • the reaction may be carried out for a period of from 30 minutes to 1 day, preferably from 1 to 6 hours.
  • the substitution product can be isolated by usually manner means and, if necessary, purified by subjecting to a silica gel column chromatography using chloroform, ethyl acetate, dichloromethane, methanol'or a mixture thereof.
  • substitution reaction product When the substitution reaction product has a protecting group, it can be removed if desired. Its removal may be effected by reductive hydrogenolysis, chemical reduction or hydrolysis using an acid, a base or an enzyme.
  • R 3 in the general formula (I) When the substituent group R 3 in the general formula (I) is esterified and has for example a p-nitrobenzyl group, a benzyl group, a benzhydryl group or a 2-naphthylmethyl group, such a compound can be transformed to a carbapenem derivative in which R 3 in the general formula (I) is a carboxyl group or a carboxylate anion, by a deprotection reaction through catalytic reduction in the presence of a known metal catalyst such as palladium on charcoal, platinum oxide or the like.
  • a known metal catalyst such as palladium on charcoal, platinum oxide or the like.
  • reaction may be carried out in a reaction solvent such as dioxane, THF, water, a buffer solution or a mixture thereof, preferably aqueous dioxane or a mixed solvent consisting of a phosphate buffer and THF, under a hydrogen pressure of from 1 to 5 atmospheric pressure, at a temperature of from 0 to 50°C, preferably from 10 to 30°C, and for a period of from 30 minutes to 16 hours, generally from 10 minutes to 1 hour.
  • a reaction solvent such as dioxane, THF, water, a buffer solution or a mixture thereof, preferably aqueous dioxane or a mixed solvent consisting of a phosphate buffer and THF
  • R 3 in the compound (I) is a p-nitrobenzyloxycarbonyl group
  • it may be allowed to react with ammonium chloride aqueous solution and iron powder in a water soluble organic solvent such as THF or dioxane to yield the compound of interest in which R 3 is a carboxyl group or a carboxylate anion, or when R 3 is an allyloxycarbonyl group
  • the compound of interest may be obtained by treating it with tetrakistriphenylphosphinepalladium (0), triphenylphosphine and 2-ethylhexanoic acid in an aprotic solvent such as THF or dichloromethane.
  • the catalytic reduction reaction may be carried out in a solvent such as dioxane, THF, water, a buffer solution or a mixture thereof, preferably aqueous dioxane or a mixed solvent consisting of a phosphate buffer and THF, under a hydrogen pressure of from 1 to 5 atmospheric pressure, at a temperature of from 0 to 50°C, preferably from 10 to 30°C, and for a period of from 30 minutes to 16 hours, generally from 10 minutes to 1 hour, thereby obtaining the carbapenem derivative (I).
  • a solvent such as dioxane, THF, water, a buffer solution or a mixture thereof, preferably aqueous dioxane or a mixed solvent consisting of a phosphate buffer and THF
  • the compound of interest can be purified by usually used isolation means, namely by extraction and subsequent concentration, followed, if necessary, by recrystallization, reprecipitation, column chromatography and the like.
  • the compound (I) can be made into a highly purified form by its crystallization, and such a purpose can be achieved sometimes with a high efficiency when the compound is in a salt form.
  • the salt is not necessarily a non-toxic acid addition salt, but the compound of interest can be obtained with a high purity by crystallizing it as a toxic salt, purifying the salt and then removing the acid or converting the salt into a pharmacologically acceptable salt.
  • Esters which is metabolizable in vivo can be produced by making R 3 in the compound of general formula (I) into an esterified form in accordance with a means usually used in the synthesis of penicillins and cephalosporins (see for example, J. Med. Chem ., 13 , 607 (1970)), or by subjecting the carboxyl group or carboxylate anion of the compound to esterification.
  • R 4 is a p-nitrobenzyloxycarbonyl group.
  • the present invention can provide an antibiotic which is effective upon various bacterial strains including Pseudomonas aeruginosa , excellent in terms of safety and stable against hydrolases such as DHP and the like.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
EP92913257A 1991-06-20 1992-06-19 Carbapenem derivative Expired - Lifetime EP0641795B9 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP14846991 1991-06-20
JP148469/91 1991-06-20
JP14846991 1991-06-20
JP3105492 1992-02-18
JP3105492 1992-02-18
JP31054/92 1992-02-18
PCT/JP1992/000790 WO1993000344A1 (en) 1991-06-20 1992-06-19 Carbapenem derivative

Publications (4)

Publication Number Publication Date
EP0641795A4 EP0641795A4 (en) 1994-06-09
EP0641795A1 EP0641795A1 (en) 1995-03-08
EP0641795B1 EP0641795B1 (en) 2002-09-25
EP0641795B9 true EP0641795B9 (en) 2003-01-29

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EP92913257A Expired - Lifetime EP0641795B9 (en) 1991-06-20 1992-06-19 Carbapenem derivative

Country Status (15)

Country Link
US (1) US5559224A (ja)
EP (1) EP0641795B9 (ja)
JP (1) JP3048196B2 (ja)
KR (1) KR100189667B1 (ja)
AT (1) ATE224897T1 (ja)
AU (1) AU659172B2 (ja)
CA (1) CA2111974C (ja)
DE (1) DE69232791T2 (ja)
DK (1) DK0641795T3 (ja)
ES (1) ES2184731T3 (ja)
FI (1) FI101537B (ja)
NO (1) NO303636B1 (ja)
RU (1) RU2091381C1 (ja)
TW (1) TW201747B (ja)
WO (1) WO1993000344A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2026424A6 (es) * 1991-02-26 1992-04-16 Play Sa Cuna infantil plegable.
EP0882728B1 (en) * 1995-12-21 2002-09-04 Sankyo Company Limited 1-methylcarbapenem derivatives
WO2001057041A1 (fr) * 2000-01-31 2001-08-09 Sankyo Company, Limited Composes 1-methylcarbapedem
IN191798B (ja) 2000-11-03 2004-01-03 Ranbaxy Lab Ltd
NZ531174A (en) * 2001-09-26 2005-09-30 Merck & Co Inc Process for reducing the levels of organic solvents in carbapenem compounds

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019787A (ja) * 1983-07-12 1985-01-31 Sumitomo Chem Co Ltd 新規なβ−ラクタム化合物及びその製造法
CA1283906C (en) * 1983-05-09 1991-05-07 Makoto Sunagawa .beta.-LACTAM COMPOUNDS AND PRODUCTION THEREOF
JPS60233076A (ja) * 1984-05-03 1985-11-19 Sumitomo Chem Co Ltd 新規なβ−ラクタム化合物およびその製造法
KR880006244A (ko) * 1986-11-24 1988-07-22 후지사와 도모 기찌 로 3-피롤리디닐티오-1-아자바이스클로[3.2.0]햅트2-엔-2-카르복실산 화합물 및 이의 제조방법
AU631671B2 (en) * 1989-08-04 1992-12-03 Banyu Pharmaceutical Co., Ltd. 2-(2-vinylpyrrolidinylthio)carbapenem derivatives

Also Published As

Publication number Publication date
EP0641795B1 (en) 2002-09-25
DE69232791T2 (de) 2003-05-15
FI101537B1 (fi) 1998-07-15
ES2184731T3 (es) 2003-04-16
DE69232791D1 (en) 2002-10-31
NO934670L (no) 1994-02-18
JP3048196B2 (ja) 2000-06-05
KR940701395A (ko) 1994-05-28
AU2000292A (en) 1993-01-25
EP0641795A4 (en) 1994-06-09
JPH05294969A (ja) 1993-11-09
NO303636B1 (no) 1998-08-10
CA2111974A1 (en) 1993-01-07
NO934670D0 (no) 1993-12-17
FI935698A0 (fi) 1993-12-17
FI935698A (fi) 1994-02-04
FI101537B (fi) 1998-07-15
US5559224A (en) 1996-09-24
CA2111974C (en) 2001-07-24
ATE224897T1 (de) 2002-10-15
TW201747B (ja) 1993-03-11
AU659172B2 (en) 1995-05-11
WO1993000344A1 (en) 1993-01-07
EP0641795A1 (en) 1995-03-08
RU2091381C1 (ru) 1997-09-27
KR100189667B1 (ko) 1999-06-01
DK0641795T3 (da) 2003-01-20

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